(n): an obstruction in a pipe or tube
(n): a wad of something chewable as tobacco
(n): a small amount of solid food; a mouthful
(n): blatant or sensational promotion
(n): a message issued in behalf of some product or cause or idea or person or institution
(n): electrical device that fits into the cylinder head of an internal-combustion engine and ignites the gas by means of an electric spark
(n): a device that produces or is powered by electricity
(n): an electrical device with two or three pins that is inserted in a socket to make an electrical connection
(n): a device that produces or is powered by electricity
(n): an upright hydrant for drawing water to use in fighting a fire
(n): a discharge pipe with a valve and spout at which water may be drawn from the mains of waterworks
(n): an old or over-worked horse
(n): solid-hoofed herbivorous quadruped domesticated since prehistoric times
(v): fill or close tightly with or as if with a plug
(v): fill or stop up
(v): persist in working hard
(v): be persistent, refuse to stop
(v): deliver a quick blow to
(v): deal a blow to, either with the hand or with an instrument
(v): make a plug for; praise the qualities or in order to sell or promote
(v): make publicity for; try to sell (a product)
(v): insert a plug into
(v): introduce
(v): insert as a plug
(v): introduce